Related Clues:

• Hard work — work hard
• Trudge — policeman
• Tramp along
• Walk slowly with a heavy tread
• Slog away
• Walk heavily (like a policeman?)
• Going to Illinois to work hard
• One gets a large number upset about hard work
• Go laboriously
• Ditch-digging, e.g
• Trudge on
• Work hard — hard work
• "Double, double ___ and trouble . . ."
• Walk heavily from Poland with overturned party
• Struggle with material in short supply